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Word Bank. Diaphragm Arm Base Stage Revolving nosepiece Light source Objectives eyepiece. Body tube Coarse adjustment knob Fine adjustment knob Stage clips. Cell Organelles. Cell Organelles. Organelle = “ little organ ” Found only inside eukaryotic cells - PowerPoint PPT Presentation
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Word BankWord Bank
DiaphragmDiaphragm
ArmArm
BaseBase
StageStage
Revolving nosepieceRevolving nosepiece
Light sourceLight source
ObjectivesObjectives
eyepieceeyepiece
Body tubeBody tube
Coarse adjustment knobCoarse adjustment knob
Fine adjustment knobFine adjustment knob
Stage clipsStage clips
Cell OrganellesCell OrganellesOrganelleOrganelle= = ““little little organorgan””Found only inside Found only inside eukaryotic cellseukaryotic cellsAll the fluid like All the fluid like substance between substance between the organelles is the organelles is called called cytosol.cytosol.Everything in a cell Everything in a cell except the nucleus is except the nucleus is cytoplasmcytoplasm
Cell MembraneCell MembraneBoundary of the cellBoundary of the cell
Made of a phosphoMade of a phospholipidlipid bibilayerlayer
CytoskeletonCytoskeletonActs as Acts as skeletonskeleton and and musclemuscle
Provides shape and structureProvides shape and structure
Helps move organelles around the cellHelps move organelles around the cell
Two types of protein FilamentsTwo types of protein Filaments::
1.1.Microfilaments-Microfilaments-made up of actin, provide cell made up of actin, provide cell support and helps the cell movesupport and helps the cell move..
2.2.Microtubules:-Microtubules:-hollow structures made up of hollow structures made up of tubulins, help the cell maintain its shape and aids tubulins, help the cell maintain its shape and aids in cell division.in cell division.
Cell WallCell WallFound in Found in plantplant and and bacterialbacterial cells cells
Rigid, protective Rigid, protective barrierbarrier
Located Located outsideoutside of the of the cell membranecell membrane
Made of cellulose Made of cellulose ((fiberfiber))
NucleusNucleusControl center of the cellControl center of the cell
Contains Contains DNADNA
Surrounded by a double Surrounded by a double membrane called the membrane called the Nuclear Envelope.Nuclear Envelope.
The Nuclear Nuclear The Nuclear Nuclear Envelope Envelope has pores that has pores that allow materials to move allow materials to move in and out of the cell.in and out of the cell.
NucleusNucleus
ChromosomesChromosomes are found in the nucleus, are found in the nucleus, they contain genetic information.they contain genetic information.
The center of the nucleus is the The center of the nucleus is the NucleolusNucleolus..
That is where the assembly of ribosomes That is where the assembly of ribosomes begins.begins.
Endoplasmic Endoplasmic ReticulumReticulum
A.k.a. A.k.a. ““ERER””Connected to nuclear Connected to nuclear membranemembraneHighway of the cellHighway of the cellRough ERRough ER: studded : studded with ribosomes; it with ribosomes; it makes proteinsmakes proteinsSmooth ERSmooth ER: no : no ribosomes; it makes ribosomes; it makes lipidslipids
RibosomeRibosomeSite of protein Site of protein synthesissynthesis
Found attached to Found attached to rough ER or floating rough ER or floating free in cytosolfree in cytosol
Produced in a part of Produced in a part of the nucleus called the the nucleus called the nucleolusnucleolus
That looks familiar…what is a That looks familiar…what is a polypeptidepolypeptide??
Golgi ApparatusGolgi ApparatusLooks like a stack of Looks like a stack of platesplates
Stores, modifies and Stores, modifies and packages proteinspackages proteins
Molecules transported to Molecules transported to and from the Golgi by and from the Golgi by means of means of vesiclesvesicles
Vesicles Vesicles are used to are used to store and move materials store and move materials between organelles and between organelles and to cell surface.to cell surface.
LysosomesLysosomesGarbage disposal Garbage disposal of the cellof the cell
Contain digestive Contain digestive enzymes that enzymes that break down break down wasteswastes
Which organelles do lysosomes work with?
VacuolesVacuolesLarge Large centralcentral vacuole vacuole usually in usually in plantplant cells cells
Many smaller Many smaller vacuoles in vacuoles in animalanimal cellscells
Storage container for Storage container for water, food, water, food, enzymesenzymes, , wastes, pigments, etc.wastes, pigments, etc.
MitochondriaMitochondria““Powerhouse of the Powerhouse of the cellcell””- Makes ATP- Makes ATPCellular respirationCellular respiration occurs here to release occurs here to release energy for the cell to energy for the cell to useuseBound by a double Bound by a double membrane.membrane.
ChloroplastChloroplastFound only in plant Found only in plant cellscells
Contains the green Contains the green pigment pigment chlorophyllchlorophyll
Site of food (Site of food (glucoseglucose) ) productionproduction
Bound by a double Bound by a double membranemembrane
CentrioleCentrioleAids in cell divisionAids in cell division
Usually found only in Usually found only in animal cellsanimal cells
Made of microtubulesMade of microtubules
Where else have we talked about microtubules?
Quick ReviewQuick ReviewWhich organelle is the control center of the cell? Which organelle is the control center of the cell?
NucleusNucleus
Which organelle holds the cell together?Which organelle holds the cell together?
Cell membraneCell membrane
Which organelles are not found in animal cells?Which organelles are not found in animal cells?
Cell wall, central vacuole, chloroplastsCell wall, central vacuole, chloroplasts
Which organelle helps plant cells make food?Which organelle helps plant cells make food?
ChloroplastsChloroplasts
What does E.R. stand for?What does E.R. stand for?
Endoplasmic reticulumEndoplasmic reticulum